Scientific Name
Priapella intermedia

Common Name
Isthmian priapella

Biology
Found in loose aggregations in eddying currents or rapids, even leaping up out of the water to capture flying insects. Young occur in large number in the crevices of rocks along the banks, out of the current.

Classification

Classified By

?lvarez & Carranza, 1952

Class

Ray-finned fishes (Actinopterygii)

Order

Live bearers, Killifishes and Rivulines (Cyprinodontiformes)

Family

Poeciliids (Poeciliidae)

Distribution

Region

Central America

Distribution

Central America: endemic to Mexico.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

25 °C

Water Temperature To

28 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic

Environment

Freshwater; ; pH range: 7.0 - 8.0; dH range: 9 - 19 pelagic; non-migratory

Trophic Level

2.96 s.e. 0.36 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

5.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5156 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low vulnerability (15 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)